LOINCActiveObservation

LOINC Code 25720-4: Lutropin 30 Min post 100 ug luteinizing releasing hormone IV Qn

25720-4 is a LOINC code used to identify Lutropin 30 Min post 100 ug luteinizing releasing hormone IV Qn in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Lutropin^30M post 100 ug luteinizing releasing hormone IV. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Lutropin^30M post 100 ug luteinizing releasing hormone IV. It is commonly used with the system or sample type Ser/Plas.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Lutropin [Units/volume] in Serum or Plasma --30 minutes post 100 ug luteinizing releasing hormone IV
  • Lutropin^30M post 100 ug luteinizing releasing hormone IV
  • 30M p 100 ug LRH IV; After; Arbitrary concentration; CHEMISTRY.CHALLENGE TESTING; Endocrine; Endocrinology; Horm; ICSH; Interstitial cell-stimulating hormone; Interstitual cell stimulating hormone; Leutinizing hormone; LH; Luteinizing hormone; Lutenin; Lutenizing hormone; mcg; Ovulation test; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Lutropin 30 Min post 100 ug luteinizing releasing hormone IV QnLutropin [Units/volume] in Serum or Plasma --30 minutes post 100 ug luteinizing releasing hormone IVLH 30M p 100 ug LRH IV SerPl-aCncLutropin^30M post 100 ug luteinizing releasing hormone IVCHALLutropin (LH; Luteinizing Hormone) 30 min after 100 ug luteinizing releasing hormone intravenous, BloodACnc

Frequently asked questions

Code details

Code25720-4
SystemLOINC
Display nameLutropin 30 Min post 100 ug luteinizing releasing hormone IV Qn
DescriptionLutropin^30M post 100 ug luteinizing releasing hormone IV
Short nameLH 30M p 100 ug LRH IV SerPl-aCnc
ComponentLutropin^30M post 100 ug luteinizing releasing hormone IV
PropertyACnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHAL
Example unitsmIU/mL;IU/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.69

Consumer names

Lutropin (LH; Luteinizing Hormone) 30 min after 100 ug luteinizing releasing hormone intravenous, Blood

Part names

Lutropin^30M post 100 ug luteinizing releasing hormone IVACncPtSer/PlasQnArbitrary ConcentrationPoint in time (spot)Serum or Plasma

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.